19690385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27539}}^1$

素因数の和:27568

約数の個数: 16

約数和(自身を含む): 27760320

約数和(自身を除く): 8069935

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27539, 137695, 302929, 358007, 1514645, 1790035, 3938077, 19690385]

約数ペア:

[(1, 19690385), (5, 3938077), (11, 1790035), (13, 1514645), (55, 358007), (65, 302929), (143, 137695), (715, 27539)]